Just posted — an article on the invention and early history of the Kryptonite bicycle lock — including numerous illustrations, and interviews with Stan Kaplan, the inventor, and Michael Zane, who commercialized the product.

A prized, classic steel bicycle frame with butted tubing (thick-walled at the ends for strength, thin-walled in the middle for light weight) is easily dented, but ShelBroCo has a fix — it’s quick, effective and easy to use! http://sheldonbrown.com/dent-removal.html

New article about the SRAM i-Motion 9 internal-gear hub — the only public source of information on how to rebuild this hub, and with links to installation information and (hard to find!) parts lists from SRAM.